docs: def get_filepath(filepath):
      """
      Get the filepath from a tileset definition
      Parameters
      ----------
      tileset_def: { 'filepath': ..., 'uid': ..., 'filetype': ...}
          The tileset definition
      returns: string
          The filepath, either as specified in the tileset_def or
          None
      """
  
      if filepath[:7] == "http://":
          filepath = fuse.http_directory + filepath[6:] + ".."
      if filepath[:8] == "https://":
          filepath = fuse.https_directory + filepath[7:] + ".."
  
      print("******** filepath:", filepath)
  
      return filepath